Calculating Bath Drag Out

Let’s say you are performing a cost of operations study and need to know what your solution loss is due to drag out over the course of time. You could put something under a rack or barrel as it comes out of the process solution to catch what drains off and measure. However, this method is impractical, inaccurate, and unsafe. The best way to calculate drag out over time is to pick a component of the process that is not consumed in any other way except by drag out. A good example is sodium hydroxide in an alkaline zinc plating bath. Calculation Example: Let’s say that you check your … [Read more...]